Myriam Sidibe is a warrior in the fight against childhood disease. Her weapon of choice? A bar of soap. For cost-effective prevention against sickness, it’s hard to beat soapy hand-washing, which cuts down risk of pneumonia, diarrhea, cholera and worse. Sidibe, a public-health expert, makes a smart case for public-private partnerships to promote clean hands — and local, sustainable entrepreneurship.

This talk was presented at a TED Institute event given in partnership with Unilever. TED editors featured it among our selections on the home page. Read more about the TED Institute.

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Meet Myriam Sidibe, she has a PhD in hand-washing >>